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What does the number 42 in whatman filter paper #42 mean? What does it indicate about the paper's properties? (what does it have to do with aluminum?)
Calculate the mass (grams) of KHP needed to react with 40. mL of 0.10 M NaOH. B. If 0.7528 g of KHP standard were titrated with NaOH and the endpoint was reached at 36.33 mL
The rate constant are 0.039 L/mol-1*s-1for the forward reaction (CO2 + H2O ? H2CO3) and 23 s-1for the reverse reaction (H2CO3 ? CO2 + H2O). What is the order of the reverse reaction
Dinitrogen pentoxide, N2O5, decomposes in the gas phase to form nitrogen dioxide, NO2, and oxygen gas, O2. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 C.
A 0.50g sample of vegetable oil is placed in a caloriemeter. When the sample is burned 18.9kj are burned off. What is the caloric value in kcal/g of the oil? I am not sure how to set this problem up. Please help
The final temp of the water is 78.26 degrees F. Calculate the specific heat of the metal. Assume that all energy lost by metal is gained by the water.
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
Write an equation of the dissolution reaction for each of the precipitates that was soluble in CH3COOH. Al2(SO4)3+NaOH
What is the molarity of a HCl solution if the reaction of 200mL of the solution with excess CaCO3 produces 10.5L of Co2 gas at 725mmHg and 18C?
Write a brief discussion of the bond dipoles of iodomethane and the corresponding Grignard reagent.
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
calculate the standard reduction potential of Joaquium. Write reaction in cell notation form.
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